Sure thing, let's get straight to it. We start with 828 and we're going to multiply it by 426, which means adding 828 to itself 426 times.
Step 1: 0 + 828 = 828
Step 2: 828 + 828 = 1656
Step 3: 1656 + 828 = 2484
Step 4: 2484 + 828 = 3312
Step 5: 3312 + 828 = 4140
Step 6: 4140 + 828 = 4968
Step 7: 4968 + 828 = 5796
Step 8: 5796 + 828 = 6624
Step 9: 6624 + 828 = 7452
Step 10: 7452 + 828 = 8280
Step 11: 8280 + 828 = 9108
Step 12: 9108 + 828 = 9936
Step 13: 9936 + 828 = 10764
Step 14: 10764 + 828 = 11592
Step 15: 11592 + 828 = 12420
Step 16: 12420 + 828 = 13248
Step 17: 13248 + 828 = 14076
Step 18: 14076 + 828 = 14904
Step 19: 14904 + 828 = 15732
Step 20: 15732 + 828 = 16560
Step 21: 16560 + 828 = 17388
Step 22: 17388 + 828 = 18216
Step 23: 18216 + 828 = 19044
Step 24: 19044 + 828 = 19872
Step 25: 19872 + 828 = 20700
Step 26: 20700 + 828 = 21528
Step 27: 21528 + 828 = 22356
Step 28: 22356 + 828 = 23184
Step 29: 23184 + 828 = 24012
Step 30: 24012 + 828 = 24840
Step 31: 24840 + 828 = 25668
Step 32: 25668 + 828 = 26496
Step 33: 26496 + 828 = 27324
Step 34: 27324 + 828 = 28152
Step 35: 28152 + 828 = 28980
Step 36: 28980 + 828 = 29808
Step 37: 29808 + 828 = 30636
Step 38: 30636 + 828 = 31464
Step 39: 31464 + 828 = 32292
Step 40: 32292 + 828 = 33120
Step 41: 33120 + 828 = 33948
Step 42: 33948 + 828 = 34776
Step 43: 34776 + 828 = 35604
Step 44: 35604 + 828 = 36432
Step 45: 36432 + 828 = 37260
Step 46: 37260 + 828 = 38088
Step 47: 38088 + 828 = 38916
Step 48: 38916 + 828 = 39744
Step 49: 39744 + 828 = 40572
Step 50: 40572 + 828 = 41400
Step 51: 41400 + 828 = 42228
Step 52: 42228 + 828 = 43056
Step 53: 43056 + 828 = 43884
Step 54: 43884 + 828 = 44712
Step 55: 44712 + 828 = 45540
Step 56: 45540 + 828 = 46368
Step 57: 46368 + 828 = 47196
Step 58: 47196 + 828 = 48024
Step 59: 48024 + 828 = 48852
Step 60: 48852 + 828 = 49680
Step 61: 49680 + 828 = 50508
Step 62: 50508 + 828 = 51336
Step 63: 51336 + 828 = 52164
Step 64: 52164 + 828 = 52992
Step 65: 52992 + 828 = 53820
Step 66: 53820 + 828 = 54648
Step 67: 54648 + 828 = 55476
Step 68: 55476 + 828 = 56304
Step 69: 56304 + 828 = 57132
Step 70: 57132 + 828 = 57960
Step 71: 57960 + 828 = 58788
Step 72: 58788 + 828 = 59616
Step 73: 59616 + 828 = 60444
Step 74: 60444 + 828 = 61272
Step 75: 61272 + 828 = 62100
Step 76: 62100 + 828 = 62928
Step 77: 62928 + 828 = 63756
Step 78: 63756 + 828 = 64584
Step 79: 64584 + 828 = 65412
Step 80: 65412 + 828 = 66240
Step 81: 66240 + 828 = 67068
Step 82: 67068 + 828 = 67896
Step 83: 67896 + 828 = 68724
Step 84: 68724 + 828 = 69552
Step 85: 69552 + 828 = 70380
Step 86: 70380 + 828 = 71208
Step 87: 71208 + 828 = 72036
Step 88: 72036 + 828 = 72864
Step 89: 72864 + 828 = 73692
Step 90: 73692 + 828 = 74520
Step 91: 74520 + 828 = 75348
Step 92: 75348 + 828 = 76176
Step 93: 76176 + 828 = 77004
Step 94: 77004 + 828 = 77832
Step 95: 77832 + 828 = 78660
Step 96: 78660 + 828 = 79488
Step 97: 79488 + 828 = 80316
Step 98: 80316 + 828 = 81144
Step 99: 81144 + 828 = 81972
Step 100: 81972 + 828 = 82800
Step 101: 82800 + 828 = 83628
Step 102: 83628 + 828 = 84456
Step 103: 84456 + 828 = 85284
Step 104: 85284 + 828 = 86112
Step 105: 86112 + 828 = 86940
Step 106: 86940 + 828 = 87768
Step 107: 87768 + 828 = 88596
Step 108: 88596 + 828 = 89424
Step 109: 89424 + 828 = 90252
Step 110: 90252 + 828 = 91080
Step 111: 91080 + 828 = 91908
Step 112: 91908 + 828 = 92736
Step 113: 92736 + 828 = 93564
Step 114: 93564 + 828 = 94392
Step 115: 94392 + 828 = 95220
Step 116: 95220 + 828 = 96048
Step 117: 96048 + 828 = 96876
Step 118: 96876 + 828 = 97704
Step 119: 97704 + 828 = 98532
Step 120: 98532 + 828 = 99360
Step 121: 99360 + 828 = 100188
Step 122: 100188 + 828 = 101016
Step 123: 101016 + 828 = 101844
Step 124: 101844 + 828 = 102672
Step 125: 102672 + 828 = 103500
Step 126: 103500 + 828 = 104328
Step 127: 104328 + 828 = 105156
Step 128: 105156 + 828 = 105984
Step 129: 105984 + 828 = 106812
Step 130: 106812 + 828 = 107640
Step 131: 107640 + 828 = 108468
Step 132: 108468 + 828 = 109296
Step 133: 109296 + 828 = 110124
Step 134: 110124 + 828 = 110952
Step 135: 110952 + 828 = 111780
Step 136: 111780 + 828 = 112608
Step 137: 112608 + 828 = 113436
Step 138: 113436 + 828 = 114264
Step 139: 114264 + 828 = 115092
Step 140: 115092 + 828 = 115920
Step 141: 115920 + 828 = 116748
Step 142: 116748 + 828 = 117576
Step 143: 117576 + 828 = 118404
Step 144: 118404 + 828 = 119232
Step 145: 119232 + 828 = 120060
Step 146: 120060 + 828 = 120888
Step 147: 120888 + 828 = 121716
Step 148: 121716 + 828 = 122544
Step 149: 122544 + 828 = 123372
Step 150: 123372 + 828 = 124200
Step 151: 124200 + 828 = 125028
Step 152: 125028 + 828 = 125856
Step 153: 125856 + 828 = 126684
Step 154: 126684 + 828 = 127512
Step 155: 127512 + 828 = 128340
Step 156: 128340 + 828 = 129168
Step 157: 129168 + 828 = 129996
Step 158: 129996 + 828 = 130824
Step 159: 130824 + 828 = 131652
Step 160: 131652 + 828 = 132480
Step 161: 132480 + 828 = 133308
Step 162: 133308 + 828 = 134136
Step 163: 134136 + 828 = 134964
Step 164: 134964 + 828 = 135792
Step 165: 135792 + 828 = 136620
Step 166: 136620 + 828 = 137448
Step 167: 137448 + 828 = 138276
Step 168: 138276 + 828 = 139104
Step 169: 139104 + 828 = 139932
Step 170: 139932 + 828 = 140760
Step 171: 140760 + 828 = 141588
Step 172: 141588 + 828 = 142416
Step 173: 142416 + 828 = 143244
Step 174: 143244 + 828 = 144072
Step 175: 144072 + 828 = 144900
Step 176: 144900 + 828 = 145728
Step 177: 145728 + 828 = 146556
Step 178: 146556 + 828 = 147384
Step 179: 147384 + 828 = 148212
Step 180: 148212 + 828 = 149040
Step 181: 149040 + 828 = 149868
Step 182: 149868 + 828 = 150696
Step 183: 150696 + 828 = 151524
Step 184: 151524 + 828 = 152352
Step 185: 152352 + 828 = 153180
Step 186: 153180 + 828 = 154008
Step 187: 154008 + 828 = 154836
Step 188: 154836 + 828 = 155664
Step 189: 155664 + 828 = 156492
Step 190: 156492 + 828 = 157320
Step 191: 157320 + 828 = 158148
Step 192: 158148 + 828 = 158976
Step 193: 158976 + 828 = 159804
Step 194: 159804 + 828 = 160632
Step 195: 160632 + 828 = 161460
Step 196: 161460 + 828 = 162288
Step 197: 162288 + 828 = 163116
Step 198: 163116 + 828 = 163944
Step 199: 163944 + 828 = 164772
Step 200: 164772 + 828 = 165600
Step 201: 165600 + 828 = 166428
Step 202: 166428 + 828 = 167256
Step 203: 167256 + 828 = 168084
Step 204: 168084 + 828 = 168912
Step 205: 168912 + 828 = 169740
Step 206: 169740 + 828 = 170568
Step 207: 170568 + 828 = 171396
Step 208: 171396 + 828 = 172224
Step 209: 172224 + 828 = 173052
Step 210: 173052 + 828 = 173880
Step 211: 173880 + 828 = 174708
Step 212: 174708 + 828 = 175536
Step 213: 175536 + 828 = 176364
Step 214: 176364 + 828 = 177192
Step 215: 177192 + 828 = 178020
Step 216: 178020 + 828 = 178848
Step 217: 178848 + 828 = 179676
Step 218: 179676 + 828 = 180504
Step 219: 180504 + 828 = 181332
Step 220: 181332 + 828 = 182160
Step 221: 182160 + 828 = 182988
Step 222: 182988 + 828 = 183816
Step 223: 183816 + 828 = 184644
Step 224: 184644 + 828 = 185472
Step 225: 185472 + 828 = 186300
Step 226: 186300 + 828 = 187128
Step 227: 187128 + 828 = 187956
Step 228: 187956 + 828 = 188784
Step 229: 188784 + 828 = 189612
Step 230: 189612 + 828 = 190440
Step 231: 190440 + 828 = 191268
Step 232: 191268 + 828 = 192096
Step 233: 192096 + 828 = 192924
Step 234: 192924 + 828 = 193752
Step 235: 193752 + 828 = 194580
Step 236: 194580 + 828 = 195408
Step 237: 195408 + 828 = 196236
Step 238: 196236 + 828 = 197064
Step 239: 197064 + 828 = 197892
Step 240: 197892 + 828 = 198720
Step 241: 198720 + 828 = 199548
Step 242: 199548 + 828 = 200376
Step 243: 200376 + 828 = 201204
Step 244: 201204 + 828 = 202032
Step 245: 202032 + 828 = 202860
Step 246: 202860 + 828 = 203688
Step 247: 203688 + 828 = 204516
Step 248: 204516 + 828 = 205344
Step 249: 205344 + 828 = 206172
Step 250: 206172 + 828 = 207000
Step 251: 207000 + 828 = 207828
Step 252: 207828 + 828 = 208656
Step 253: 208656 + 828 = 209484
Step 254: 209484 + 828 = 210312
Step 255: 210312 + 828 = 211140
Step 256: 211140 + 828 = 211968
Step 257: 211968 + 828 = 212796
Step 258: 212796 + 828 = 213624
Step 259: 213624 + 828 = 214452
Step 260: 214452 + 828 = 215280
Step 261: 215280 + 828 = 216108
Step 262: 216108 + 828 = 216936
Step 263: 216936 + 828 = 217764
Step 264: 217764 + 828 = 218592
Step 265: 218592 + 828 = 219420
Step 266: 219420 + 828 = 220248
Step 267: 220248 + 828 = 221076
Step 268: 221076 + 828 = 221904
Step 269: 221904 + 828 = 222732
Step 270: 222732 + 828 = 223560
Step 271: 223560 + 828 = 224388
Step 272: 224388 + 828 = 225216
Step 273: 225216 + 828 = 226044
Step 274: 226044 + 828 = 226872
Step 275: 226872 + 828 = 227700
Step 276: 227700 + 828 = 228528
Step 277: 228528 + 828 = 229356
Step 278: 229356 + 828 = 230184
Step 279: 230184 + 828 = 231012
Step 280: 231012 + 828 = 231840
Step 281: 231840 + 828 = 232668
Step 282: 232668 + 828 = 233496
Step 283: 233496 + 828 = 234324
Step 284: 234324 + 828 = 235152
Step 285: 235152 + 828 = 235980
Step 286: 235980 + 828 = 236808
Step 287: 236808 + 828 = 237636
Step 288: 237636 + 828 = 238464
Step 289: 238464 + 828 = 239292
Step 290: 239292 + 828 = 240120
Step 291: 240120 + 828 = 240948
Step 292: 240948 + 828 = 241776
Step 293: 241776 + 828 = 242604
Step 294: 242604 + 828 = 243432
Step 295: 243432 + 828 = 244260
Step 296: 244260 + 828 = 245088
Step 297: 245088 + 828 = 245916
Step 298: 245916 + 828 = 246744
Step 299: 246744 + 828 = 247572
Step 300: 247572 + 828 = 248400
Step 301: 248400 + 828 = 249228
Step 302: 249228 + 828 = 250056
Step 303: 250056 + 828 = 250884
Step 304: 250884 + 828 = 251712
Step 305: 251712 + 828 = 252540
Step 306: 252540 + 828 = 253368
Step 307: 253368 + 828 = 254196
Step 308: 254196 + 828 = 255024
Step 309: 255024 + 828 = 255852
Step 310: 255852 + 828 = 256680
Step 311: 256680 + 828 = 257508
Step 312: 257508 + 828 = 258336
Step 313: 258336 + 828 = 259164
Step 314: 259164 + 828 = 259992
Step 315: 259992 + 828 = 260820
Step 316: 260820 + 828 = 261648
Step 317: 261648 + 828 = 262476
Step 318: 262476 + 828 = 263304
Step 319: 263304 + 828 = 264132
Step 320: 264132 + 828 = 264960
Step 321: 264960 + 828 = 265788
Step 322: 265788 + 828 = 266616
Step 323: 266616 + 828 = 267444
Step 324: 267444 + 828 = 268272
Step 325: 268272 + 828 = 269100
Step 326: 269100 + 828 = 269928
Step 327: 269928 + 828 = 270756
Step 328: 270756 + 828 = 271584
Step 329: 271584 + 828 = 272412
Step 330: 272412 + 828 = 273240
Step 331: 273240 + 828 = 274068
Step 332: 274068 + 828 = 274896
Step 333: 274896 + 828 = 275724
Step 334: 275724 + 828 = 276552
Step 335: 276552 + 828 = 277380
Step 336: 277380 + 828 = 278208
Step 337: 278208 + 828 = 279036
Step 338: 279036 + 828 = 279864
Step 339: 279864 + 828 = 280692
Step 340: 280692 + 828 = 281520
Step 341: 281520 + 828 = 282348
Step 342: 282348 + 828 = 283176
Step 343: 283176 + 828 = 284004
Step 344: 284004 + 828 = 284832
Step 345: 284832 + 828 = 285660
Step 346: 285660 + 828 = 286488
Step 347: 286488 + 828 = 287316
Step 348: 287316 + 828 = 288144
Step 349: 288144 + 828 = 288972
Step 350: 288972 + 828 = 289800
Step 351: 289800 + 828 = 290628
Step 352: 290628 + 828 = 291456
Step 353: 291456 + 828 = 292284
Step 354: 292284 + 828 = 293112
Step 355: 293112 + 828 = 293940
Step 356: 293940 + 828 = 294768
Step 357: 294768 + 828 = 295596
Step 358: 295596 + 828 = 296424
Step 359: 296424 + 828 = 297252
Step 360: 297252 + 828 = 298080
Step 361: 298080 + 828 = 298908
Step 362: 298908 + 828 = 299736
Step 363: 299736 + 828 = 300564
Step 364: 300564 + 828 = 301392
Step 365: 301392 + 828 = 302220
Step 366: 302220 + 828 = 303048
Step 367: 303048 + 828 = 303876
Step 368: 303876 + 828 = 304704
Step 369: 304704 + 828 = 305532
Step 370: 305532 + 828 = 306360
Step 371: 306360 + 828 = 307188
Step 372: 307188 + 828 = 308016
Step 373: 308016 + 828 = 308844
Step 374: 308844 + 828 = 309672
Step 375: 309672 + 828 = 310500
Step 376: 310500 + 828 = 311328
Step 377: 311328 + 828 = 312156
Step 378: 312156 + 828 = 312984
Step 379: 312984 + 828 = 313812
Step 380: 313812 + 828 = 314640
Step 381: 314640 + 828 = 315468
Step 382: 315468 + 828 = 316296
Step 383: 316296 + 828 = 317124
Step 384: 317124 + 828 = 317952
Step 385: 317952 + 828 = 318780
Step 386: 318780 + 828 = 319608
Step 387: 319608 + 828 = 320436
Step 388: 320436 + 828 = 321264
Step 389: 321264 + 828 = 322092
Step 390: 322092 + 828 = 322920
Step 391: 322920 + 828 = 323748
Step 392: 323748 + 828 = 324576
Step 393: 324576 + 828 = 325404
Step 394: 325404 + 828 = 326232
Step 395: 326232 + 828 = 327060
Step 396: 327060 + 828 = 327888
Step 397: 327888 + 828 = 328716
Step 398: 328716 + 828 = 329544
Step 399: 329544 + 828 = 330372
Step 400: 330372 + 828 = 331200
Step 401: 331200 + 828 = 332028
Step 402: 332028 + 828 = 332856
Step 403: 332856 + 828 = 333684
Step 404: 333684 + 828 = 334512
Step 405: 334512 + 828 = 335340
Step 406: 335340 + 828 = 336168
Step 407: 336168 + 828 = 336996
Step 408: 336996 + 828 = 337824
Step 409: 337824 + 828 = 338652
Step 410: 338652 + 828 = 339480
Step 411: 339480 + 828 = 340308
Step 412: 340308 + 828 = 341136
Step 413: 341136 + 828 = 341964
Step 414: 341964 + 828 = 342792
Step 415: 342792 + 828 = 343620
Step 416: 343620 + 828 = 344448
Step 417: 344448 + 828 = 345276
Step 418: 345276 + 828 = 346104
Step 419: 346104 + 828 = 346932
Step 420: 346932 + 828 = 347760
Step 421: 347760 + 828 = 348588
Step 422: 348588 + 828 = 349416
Step 423: 349416 + 828 = 350244
Step 424: 350244 + 828 = 351072
Step 425: 351072 + 828 = 351900
Step 426: 351900 + 828 = 352728

So, 828*426 = 352728